A simple and inexpensive chemical test for behavioral ecologists to determine the presence of carotenoid pigments in animal tissues

Agriculture & Biology

• ecologists 97%
• animal tissues 92%
• carotenoids 68%
• pigments 61%
• testing 31%
• pteridines 26%
• color 26%
• pyridines 21%
• animals 18%
• feathers 18%
• hemoglobin 15%
• eumelanin 13%
• field methods 11%
• parrots 11%
• laboratory techniques 10%
• fur 10%
• sinuses 10%
• biologists 9%
• absorbance 8%
• spectroscopy 8%
• tissues 8%
• blood 5%
• organisms 5%
• methodology 4%
• temperature 3%

Earth & Environmental Sciences

• carotenoid 100%
• pigment 77%
• tissue 58%
• animal 54%
• chemical 39%
• test 31%
• feather 21%
• fur 11%
• spectrophotometry 10%
• chemical method 10%
• absorbance 9%
• blood 7%
• organism 6%
• laboratory 4%
• cost 4%
• method 1%